summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/20030826-1.c
blob: b344ad2dcbce81c39934cb2da8116c803c96ec7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* Copyright (C) 2003 Free Software Foundation.

   Check that constant folding of mathematical expressions doesn't
   break anything.

   Written by Roger Sayle, 24th August 2003.  */

/* { dg-do run } */
/* { dg-options "-O2 -ffast-math" } */

void abort(void);

double foo(double x)
{
  return 12.0/(x*3.0);
}

double bar(double x)
{
  return (3.0/x)*4.0;
}

int main()
{
  if (foo(2.0) != 2.0)
    abort ();

  if (bar(2.0) != 6.0)
    abort ();

  return 0;
}